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// File: IntCurve_ProjectOnPConicTool.cxx
// Created: Tue Oct 13 18:45:14 1992
// Author: Laurent BUCHARD
// <lbr@sdsun2>
#include <ElCLib.hxx>
#include <IntCurve_ProjectOnPConicTool.ixx>
Standard_Real IntCurve_ProjectOnPConicTool::FindParameter
(const IntCurve_PConic& ThePConic,
const gp_Pnt2d& P,
const Standard_Real LowParameter,
const Standard_Real HighParameter,
const Standard_Real) {
Standard_Real ParamSup,ParamInf,Param=0;
if(LowParameter>HighParameter) {
ParamSup=LowParameter;
ParamInf=HighParameter;
}
else {
ParamInf=LowParameter;
ParamSup=HighParameter;
}
switch(ThePConic.TypeCurve()) {
case GeomAbs_Line:
Param=ElCLib::LineParameter(ThePConic.Axis2().XAxis(),P);
break;
case GeomAbs_Circle:
Param=ElCLib::CircleParameter(ThePConic.Axis2(),P);
if(Param<0.0) { Param+=PI+PI; }
break;
case GeomAbs_Ellipse: {
Param=ElCLib::EllipseParameter(ThePConic.Axis2()
,ThePConic.Param1()
,ThePConic.Param2()
,P);
if (Param < 0.0) { Param+=PI+PI; }
break;
}
case GeomAbs_Parabola: {
Param=ElCLib::ParabolaParameter(ThePConic.Axis2(),P);
break;
}
case GeomAbs_Hyperbola: {
Param=ElCLib::HyperbolaParameter(ThePConic.Axis2()
,ThePConic.Param1()
,ThePConic.Param2(),P);
break;
}
#ifndef DEB
default:
break;
#endif
}
if(ParamInf!=ParamSup) {
if(Param<ParamInf) return(ParamInf);
if(Param>ParamSup) return(ParamSup);
}
return(Param);
}
Standard_Real IntCurve_ProjectOnPConicTool::FindParameter
(const IntCurve_PConic& ThePConic,
const gp_Pnt2d& P,
const Standard_Real) {
//cout<<"\n\n---- Dans ProjectOnPConicTool::FindParameter Point : "<<P.X()<<","<<P.Y();
Standard_Real Param=0;
switch(ThePConic.TypeCurve()) {
case GeomAbs_Line:
Param=ElCLib::LineParameter(ThePConic.Axis2().XAxis(),P);
break;
case GeomAbs_Circle:
Param=ElCLib::CircleParameter(ThePConic.Axis2(),P);
if(Param<0.0) { Param+=PI+PI; }
break;
case GeomAbs_Ellipse: {
Param=ElCLib::EllipseParameter(ThePConic.Axis2()
,ThePConic.Param1()
,ThePConic.Param2()
,P);
if (Param < 0.0) { Param+=PI+PI; }
break;
}
case GeomAbs_Parabola: {
Param=ElCLib::ParabolaParameter(ThePConic.Axis2(),P);
break;
}
case GeomAbs_Hyperbola: {
Param=ElCLib::HyperbolaParameter(ThePConic.Axis2()
,ThePConic.Param1()
,ThePConic.Param2(),P);
break;
}
#ifndef DEB
default:
break;
#endif
}
return(Param);
}
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